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Where is the largest telescope in India ? What is diameter of objective in it?

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Where is the largest reflecting telescope in world ? Mention the diameter of reflector.

What is tube length of telescope ?

What is the basic objective of science ?

A: Resolution of telescope is high if diameter of objective is large. R: More light rays are converged by objective of large diameter.

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A small telescope has an objective lens of focal length 144cm and an eyepiece of focal length 6.0cm. What is the magnifying power of the telescope? What is the separation between the objective and the eyepiece?

What is GEAC and what are its objectives?

(a) A giant refracting telescope at an observatory has an objective lens of focal length 15m. If an eyepiece of focal length 1.0cm is used, what is the angular magnification of the telescope? (b) If this telescope is used to view the moon, what is the diameter of the image of the moon formed by the objective lens? The diameter of the moon is 3.48 xx 10^(6)m , and the radius of lunar orbit is 3.8xx10^(8)m .

KUMAR PRAKASHAN-RAY OPTICS AND OPTICAL INSTRUMENTS-SECTION - A (TRY YOURSELF)
  1. Mention colours of primary rainbow.

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  2. Which is the upper most colour in secondary rainbow ?

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  3. Why the intensity of light is low in secondary rainbow?

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  4. What is scattering of light ? And on which doe the scattering depend ?

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  5. On which does the scattering of light depend ?

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  6. What is rayleigh scattering?

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  7. Give name of natural optical instrument.

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  8. What is simple microscope ? Obtain the equation of magnification for t...

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  9. Write equation of magnification for simple microscope when image is fo...

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  10. Mention maximum magnification of simple microscope.

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  11. What is objective and eye-piece lens ?

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  12. What is tube lenght of compound microscope ?

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  13. What is telescope ? Discuss the types of telescopes that are used in g...

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  14. Obtain the equation of magnification for compound microscope.

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  15. What is tube length of telescope ?

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  16. In which type of telescope, extra pair of inverting lens is available ...

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  17. On which does capacity of convergence of light depend ?

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  18. What is diameter of objective used in astronomical telescope in presen...

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  19. Where is the largest telescope in India ? What is diameter of objectiv...

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  20. Where is the largest reflecting telescope in world ? Mention the diame...

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